.formal_detail_pic{
    width:990px;
    margin:0 auto;
    text-align: center;
    letter-spacing: 0.1em;
}
.first_section li:first-of-type{
    margin-right:20px;
}
.first_section li{
    width:485px;
    margin:20px 0;
    text-align: left;
}
.first_section li img{
    width:485px;
}
.first_section li h4{
    font-size:16px;
    height:35px;
    line-height:35px;
    margin-top:5px;
    color:#222;
}
.first_section li p{
    padding-left:5px;
    line-height:25px;
    color:#666;
}
.second_section li{
    float:left;
    margin:0 10px 20px 0;
    width:323px;
    text-align: left;
}
.second_section li:last-of-type{
    margin:0;
}
.second_section li img{
    width:323px;
}
.second_section li h4{
    font-size:16px;
    height:35px;
    line-height:35px;
    margin-top:5px;
    color:#222;
    padding-left:5px;
}
.second_section li p{
    padding-left:5px;
    line-height:25px;
    color:#666;
}
.same_style{
    width:990px;
    margin:0 auto;
    text-align: center;
    letter-spacing: 0.1em;
}
.same_style_pic li{
    float:left;
    width:323px;
    margin:20px 10px 20px 0;
}
.same_style_pic li:last-of-type{
    margin:20px 0 0 0;
}
.same_style_pic li img{
    width:323px;
}